You can apply for the free JetBrains Products(IntelliJ IDEA, Clion, PyCharm, RubyMine, etc) License with your Open Source projects.
JetBrains will check the history of recent commits in your Open Source project. To approve the request, they need to see that regular commits have been made for the past 3 months or more. For an Open Source license renewal, they need to see how the granted licenses have been used throughout the past year.
Then, fill out the application form to request Open Source License and submit it.
You will recreive an email about the application about a few days. Click the link(Take me to my licenses) within the email to register a JetBrains account, then you will get the License.
Your free subscription(s) will be valid for one year. You will receive an automatic email reminder shortly before the licenses expire. If your project still meets our Support Program’s requirements at that time, feel free to apply for a renewal.